Rectal sphincter
[医] 直肠括约肌, 希尔特耳氏括约肌
🧩 词语组成解析
a. 直肠的\\n[医] 直肠的
n. 括约肌\\n[医] 括约肌
🗣️ 情景例句
I know who you are!
我知道你是谁！
We can't decide what to do.
我们不能决定怎么做。
They were puzzled by several things.
有几件事情使他们感到迷惑不解。